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ShellUI.MST - How to Fix? Download Now

Sometimes Windows system displays error messages regarding corrupted or missing ShellUI.MST files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent ShellUI.MST file can therefore effect in failed execution of the started process.

ShellUI.MST file Microsoft Windows Installer Transform. The file was developed by Microsoft for use with Office software. Here you will find detailed information about the file and instructions how to proceed in the event of ShellUI.MST related errors on your device. You can also download ShellUI.MST file compatible with Windows 10, Windows 7, Windows Vista, Windows 8 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 7, Windows Vista, Windows 8
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Fix ShellUI.MST errors

File info

General information
Filename ShellUI.MST
File extension MST
Type Executable Application
Description Microsoft Windows Installer Transform
Software
Program Office 2010
Software Office
Author Microsoft
Details
MIME type image/vnd.fpx
Title Installation Transform
Contents Localization Transform for Microsoft Office
Comments This Installer database contains the logic and data required to install Microsoft Office.
ShellUI.MST

There are various types of errors related to ShellUI.MST file. ShellUI.MST file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to ShellUI.MST file. If you encounter one listed below (or similar), please consider the following suggestions.

  • ShellUI.MST is corrupted
  • ShellUI.MST cannot be located
  • Runtime Error - ShellUI.MST
  • ShellUI.MST file error
  • ShellUI.MST file cannot be loaded. Module was not found
  • cannot register ShellUI.MST file:
  • ShellUI.MST file could not be loaded
  • ShellUI.MST file doesn't exist

ShellUI.MST

Error

Application could not be started because ShellUI.MST file is missing. Reinstall the application to solve the problem.

OK

Problems related to ShellUI.MST can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing ShellUI.MST file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

ShellUI.MST file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with ShellUI.MST file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to ShellUI.MST file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of ShellUI.MST or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to ShellUI.MST file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the ShellUI.MST file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the ShellUI.MST file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the ShellUI.MST file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace ShellUI.MST file

The last solution is to manually download and replace ShellUI.MST file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded ShellUI.MST file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of ShellUI.MST file example directory paths.

  • Windows 10: C:\MSOCache\All Users\{90150000-0115-0409-0000-0000000FF1CE}-C\
  • Windows 7: ---
  • Windows Vista: ---
  • Windows 8: ---

If the steps did not solve your ShellUI.MST file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename ShellUI.MST
System Windows 10
File size 14848 bytes
Date 2017-05-10
Download
File details
MD5 62ceb84995872bfe0245a77fc49f887f
SHA1 8235b4e00832a930fdaa47768ef9620dd89ee751
SHA256 0302fb01fc88847c4294202add6e73b1ff47e48f9441ef4c8e66351a270af81e
CRC32 4c795043
Example file location C:\MSOCache\All Users\{90150000-0115-0409-0000-0000000FF1CE}-C\
Filename ShellUI.MST
System Windows 7
File size 3584 bytes
Date 2017-05-10
Download
File details
MD5 ea8da282bb6be04d6abc876e64bf6e18
SHA1 edbab61bcd01623539f0b73f7bf2d5fe6d7c6500
SHA256 9e0ac5804947fc6b09929832b93d5b33168eeb57f89f3c984f680b3637857282
CRC32 ca38a7c3
Example file location ---
Filename ShellUI.MST
System Windows Vista
File size 61952 bytes
Date 2017-05-10
Download
File details
MD5 538dff26d7b292c766ea493b6109bbe9
SHA1 cd9046ca149f4cbdf257dc640f45f8b9452a4e5d
SHA256 c80d6ae6126e7192edb8f87c7d48b6e9baa8ce0e227e8007a180e5cad4c3a0ab
CRC32 0d4a7ef5
Example file location ---
Filename ShellUI.MST
System Windows 8
File size 14848 bytes
Date 2017-05-10
Download
File details
MD5 62ceb84995872bfe0245a77fc49f887f
SHA1 8235b4e00832a930fdaa47768ef9620dd89ee751
SHA256 0302fb01fc88847c4294202add6e73b1ff47e48f9441ef4c8e66351a270af81e
CRC32 4c795043
Example file location ---